All Envelope Sizes

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Envelope Colours
- - Our Range Of Colour Choices
    - Black
    - Blue
    - Brown
    - Cream
    - Gold
    - Green
    - Grey
    - Neutral
    - Orange
    - Pink
    - Purple
    - Red
    - Silver
    - White
    - Yellow
    - Kraft
  - Rainbow Envelopes have one of the largest selections of colours and sizes, all available direct from stock. We carry over 2 million envelopes in our UK warehouse and over 20 million available for direct dispatch from our paper mill partners.
- Special Papers
  - Pearlescent – Extensive selection of pearl, metallic and shiny envelopes
  - Textured – Great colour selections with hammered, laid and ribbed finishes
- Envelope Extras
  - A4 Coloured Paper – 60 matching paper colours to go alongside our envelopes
  - Cello Bags – Cellophane wrappers that fit our envelopes perfectly
Envelope Sizes
- We stock one of the largest selections of coloured in envelopes in a wide range of the most popular styles and finishes. If you know what size you need, choose from our selection of stock sizes, or narrow your search to either gummed (diamond flap, traditional) or peel/seal (straight flap, wallet style)
- Standard Sizes (Gummed)
- Standard Sizes (Peel/Seal)
- Greeting Card Sizes
- Square Envelopes
- Speciality Sizes
Colour Packs
- Discounted Value Pack Bundles
- Multi-coloured Envelope Packs
Bulk Discount
- If you're looking to save money when buying in bulk, we have a wide range of wholesale boxes available direct from stock. Save up to 25% on the regular price when you buy in bulk.
- - Trade White Envelopes
    - 100gsm White Gummed
    - 100gsm White Square
- Wholesale Colour Envelopes
- - Looking for something bespoke?
    We have access to a huge range of additional trade packs for envelopes and packaging supplies. Contact us for details and a quote including bespoke printing for larger volume envelope orders.
  - Business Trade Accounts
  - Are you a business looking for trade pricing on envelopes? We can setup a free trade discount account for any UK Registered business by simply contacting us at customercare@rainbowenvelopes.co.uk
Card & Paper
- A4 Paper
  - A4 Coloured Paper – A4 coloured papers to compliment our colour envelope ranges.
- Individually Cut Card Sheets
  Individually machine cut card blanks ready for decoration and overprint. Available in 8 colours and 11 sizes. Handy packs of 25, 50 & 100.
- Pre-Creased Folded Card Blanks
  Pre-creased folded card blanks ready for decoration and overprint. Available in 8 colours and 12 card blank sizes. Handy packs of 25, 50 & 100.

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Envelopes By Colour
Envelopes – By Size
Envelope Value Packs
Wholesale Envelopes
Coloured Paper & Card

Home » Envelope Sizes

Internal Fit

Business/Credit Cards(31)
C4 (to fit A4 Inserts)(37)
With Address Windows(5)
C6 (to fit A6 Inserts)(145)
C7 (to fit A7 Inserts)(99)
Cellophane Wrappers(13)
DL/DL+ Envelopes(160)
A5 Invitation Cards(62)
5x7 Inch Invitations(92)
B6 Invitations(86)
Gift/Place Cards(28)
Square Invitations(133)
Small Square Invites(89)
Letterbox Gift Vouchers(20)
Large Square Invites(16)
C5 (to fit A5 Inserts)(156)

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Base Colour

Silver(33)
Gold(42)
Cream(83)
Yellow(81)
Pink(117)
Blue(189)
Green(171)
Black(40)
White(84)
Purple(57)
Orange(38)
Red(83)
Brown(31)
Grey(50)
Lilac(21)
Neutral(39)
Clear(13)

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Texture / Finish

Textured Finish(57)
Smooth / Wove(912)
Laid / Feint Line(16)
Recycled Kraft(37)
Pearlescent(123)
Shiny Metallic(14)
Transparent(13)

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Paper Thickness

100gsm(440)
130gsm(34)
120gsm(525)
110gsm(27)
135gsm(106)
115gsm(27)
30mu(13)

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Flap Seal / Style

Peel/Seal Straight Flap(306)
Gummed Diamond V-Flap(846)
Letterbox Style Flap(20)

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Dimensions

297 x 210mm (A4)(1)
62 x 94mm(31)
229 x 324mm (C4/A4)(38)
162 x 229mm (C5/A5)(162)
114 x 162mm (C6/A6)(146)
82 x 113mm (C7/A7)(100)
110 x 220mm (DL)(140)
125 x 175mm (B6)(87)
152 x 216mm (A5)(64)
130 x 130mm(89)
133 x 184mm (5×7 Inch)(93)
155 x 155mm(125)
160 x 160mm(10)
220 x 220mm(17)
114 x 229mm (DL+)(21)
70 x 110mm(28)
80 x 215mm(20)

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Baby Blue Envelope A5 Closed

Baby Blue Envelope A5 Open

Baby Blue 162mm x 229mm Envelope. Blue 100gsm C5 Envelope (to fit A5). Gummed.

From £0.14
You save

1389 in stock now

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Baby Pink Pastel Peel And Seal DL - 110 mm x 220 mm Envelope

Out of stock

Baby Pink 110mm x 220mm Envelope. Pink 100gsm DL Envelope. Peel/Seal.

From £0.14
You save

More Due Soon...

Baby Pink Self Sealing C6 - 114mm x 162mm 120gsm Colour Envelope

Baby Pink 114mm x 162mm Envelope. Pink 120gsm C6 Envelope (to fit A6). Peel/Seal.

From £0.15
You save

791 in stock now

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Baby Pink Self Sealing DL - 114mm x 229mm 120gsm Colour Envelope

Baby Pink 114mm x 229mm Envelope. Pink 120gsm DL+ Envelope. Peel/Seal.

From £0.17
You save

224 in stock now

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Box Of 500 Pastel Baby Pink 160mm x 160mm 120gsm Peel Seal Coloured Envelopes

Baby Pink 160mm x 160mm Envelope. Pink 120gsm Square Envelope. Peel/Seal.

From £0.18
You save

569 in stock now

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Baby Pink Pastel Peel And Seal C5 - 162 mm x 229 mm Envelope

Baby Pink 162mm x 229mm Envelope. Pink 100gsm C5 Envelope (to fit A5). Peel/Seal.

From £0.17
You save

440 in stock now

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Baby Pink Self Sealing C5 - 162mm x 229mm 120gsm Colour Envelope

Baby Pink 162mm x 229mm Envelope. Pink 120gsm C5 Envelope (to fit A5). Peel/Seal.

From £0.21
You save

432 in stock now

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Baby Pink 324mm x 229mm Envelope. Pink 120gsm C4 Envelope (to fit A4). Peel/Seal.

Baby Pink 324mm x 229mm Envelope. Pink 120gsm C4 Envelope (to fit A4). Peel/Seal.

From £0.33
You save

342 in stock now

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Canary Yellow Self Sealing C6 - 114mm x 162mm 120gsm Colour Envelope

Banana Yellow 114mm x 162mm Envelope. Yellow 120gsm C6 Envelope (to fit A6). Peel/Seal.

From £0.15
You save

375 in stock now

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Canary Yellow Self Sealing DL - 114mm x 229mm 120gsm Colour Envelope

Banana Yellow 114mm x 229mm Envelope. Yellow 120gsm DL+ Envelope. Peel/Seal.

From £0.18
You save

391 in stock now

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Canary Yellow Self Sealing S3 - 160mm x 160mm 120gsm Colour Envelope

Banana Yellow 160mm x 160mm Envelope. Yellow 120gsm Square Envelope. Peel/Seal.

From £0.19
You save

405 in stock now

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Canary Yellow Self Sealing C5 - 162mm x 229mm 120gsm Colour Envelope

Banana Yellow 162mm x 229mm Envelope. Yellow 120gsm C5 Envelope (to fit A5). Peel/Seal.

From £0.24
You save

25 in stock now

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Banana Yellow Windowed 162mm x 229mm 120gsm Peel/Seal C5/A5/Half A4 Sized Envelope

Out of stock

Banana Yellow 162mm x 229mm Envelope. Yellow 120gsm C5 Envelope (to fit A5). Peel/Seal.

From £0.27
You save

More Due Soon...

Canary Yellow Self Sealing S2 - 220mm x 220mm 120gsm Colour Envelope

Banana Yellow 220mm x 220mm Envelope. Yellow 120gsm Large Square Envelope. Peel/Seal.

From £0.30
You save

325 in stock now

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Banana Yellow 324mm x 229mm Envelope. Yellow 120gsm C4 Envelope (to fit A4). Peel/Seal.

Banana Yellow 324mm x 229mm Envelope. Yellow 120gsm C4 Envelope (to fit A4). Peel/Seal.

From £0.33
You save

98 in stock now

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Black Premium Peel And Seal DL - 110 mm x 220 mm Envelope

Black 110mm x 220mm Envelope. Black 100gsm DL Envelope. Peel/Seal.

From £0.15
You save

76 in stock now

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Black Premium Peel And Seal C6 - 114 mm x 162 mm Envelope

Black 114mm x 162mm Envelope. Black 100gsm C6 Envelope (to fit A6). Peel/Seal.

From £0.14
You save

800 in stock now

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Blackcurrant 114mm x 229mm 120gsm Peel/Seal DL/Tri-Fold A4 Sized Envelope

Blackcurrant 114mm x 229mm Envelope. Purple 120gsm DL+ Envelope. Peel/Seal.

From £0.20
You save

607 in stock now

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Blackcurrant 162mm x 229mm 120gsm Peel/Seal C5/A5/Half A4 Sized Envelope

Blackcurrant 162mm x 229mm Envelope. Purple 120gsm C5 Envelope (to fit A5). Peel/Seal.

From £0.26
You save

557 in stock now

View Details & Buy

Blackcurrant 324mm x 229mm Envelope. Purple 120gsm C4 Envelope (to fit A4). Peel/Seal.

Blackcurrant 324mm x 229mm Envelope. Purple 120gsm C4 Envelope (to fit A4). Peel/Seal.

From £0.40
You save

321 in stock now

View Details & Buy

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Contact our experts now: 0203 1377 133 helpdesk@rainbowenvelopes.co.uk

Rainbow Envelopes.
Triangle Business Centre
95 Commerce Way
Lancing. BN15 8UP
Tel: 01903 685686
Email: helpdesk@rainbowenvelopes.co.uk

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